Mathematics, 04.11.2020 19:00 lunarwoo

Independent random samples were selected from two quantitative populations, with sample sizes, means, and variances given below. Population 1 2 Sample Size 37 42 Sample Mean 9.3 7.2 Sample Variance 8.41 14.52 Construct a 90% confidence interval for the difference in the population means. (Use μ1 − μ2. Round your answers to two decimal places.)

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